记录一段flex获取url参数的代码

			/**
			 * 获取url的参数
			 **/
			private function getParams():Object {
				var params:Object = {};
				var query:String = ExternalInterface.call("window.location.search.substring", 1);
				// Alert.show(ExternalInterface.call("window.location.href.toString",1));
				// Alert.show(query);
				if(query) {
					var pairs:Array = query.split("&");
					for(var i:uint=0; i < pairs.length; i++) {
						var pos:int = pairs[i].indexOf("=");
						//Alert.show(String(pos));
						if(pos != -1) {
							var argname:String = pairs[i].substring(0, pos);
							var value:String = pairs[i].substring(pos+1);
							params[argname] = value;
						}
					}
				}
				return params;
			}